1 \cdot x_{2} + 1 \cdot x_{3} + 1 \cdot x_{14} = k_{27}\\ 1 \cdot x_{4} + 2 \cdot x_{5} + 2 \cdot x_{6} + 1 \cdot x_{8} = k_{28}\\ 1 \cdot x_{13} + 1 \cdot x_{14} = k_{29}